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June 1st, 2026 :: 12:53 pm CDT   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated June 1st at 11:54 am 
Temperature:79°F Dew Point:61°F
Barometer:30.01 inHg Wind:N 9 Mph
Humidity:54.1% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Jun 1st
Tuesday
Jun 2nd
Wednesday
Jun 3rd
Thursday
Jun 4th
Friday
Jun 5th
Mostly Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny
81°F
73°F
60°F
77°F
54°F
81°F
59°F
82°F
62°F
 
 Decatur Detailed Weather Forecast  
 
Monday, June 1st, 2026
Afternoon Temperature: 80°F
Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 70°F
A mix of cloudy and clear skies. Windy at times.
Tuesday, June 2nd, 2026
Overnight Temperature: 63°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 64°F
Sunny. Windy at times.
Afternoon Temperature: 73°F
Sunny. Windy at times.
Evening Temperature: 65°F
Clear. Windy at times.
Wednesday, June 3rd, 2026
Overnight Temperature: 55°F
Clear.
Morning Temperature: 62°F
Sunny. Windy at times.
Afternoon Temperature: 76°F
Mostly sunny.
Evening Temperature: 69°F
Clear.
Thursday, June 4th, 2026
Overnight Temperature: 60°F
Mostly clear.
Morning Temperature: 67°F
Mostly sunny.
Afternoon Temperature: 80°F
Sunny. Windy at times.
Evening Temperature: 71°F
Clear. Windy at times.
Friday, June 5th, 2026
Overnight Temperature: 64°F
Clear. Windy at times.
Morning Temperature: 69°F
Mostly sunny. Windy at times.
Afternoon Temperature: 81°F
Mostly sunny. Windy at times.
Evening Temperature: 73°F
Mostly cloudy with a chance of showers. Windy at times.
Saturday, June 6th, 2026
Overnight Temperature: 69°F
Mostly clear with a chance of showers. Windy.
Morning Temperature: 74°F
A mix of sun and cloud with a chance of showers or thundershowers. Windy.
Afternoon Temperature: 85°F
Sunny with cloudy periods with a chance of showers or thundershowers. Windy.
Evening Temperature: 76°F
Clear with showers likely. Chance of a thunderstorm. Windy at times.
Sunday, June 7th, 2026
Overnight Temperature: 70°F
Clear with a chance of showers or thundershowers.
Morning Temperature: 69°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 78°F
Mostly sunny. Windy at times.
Evening Temperature: 71°F
A mix of cloudy and clear skies.
Monday, June 8th, 2026
Overnight Temperature: 63°F
Mostly clear.
Morning Temperature: 70°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 80°F
Mostly sunny. Windy at times.
Evening Temperature: 73°F
Mostly clear.
Tuesday, June 9th, 2026
Overnight Temperature: 61°F
Mostly clear. Windy at times.
Morning Temperature: 65°F
Sunny. Windy at times.
Afternoon Temperature: 77°F
Mostly sunny. Windy at times.
Evening Temperature: 70°F
Mostly clear.





 

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11:53 AM  79°F
 
 
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11:53 AM  79°F
 

 
This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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